Notice: The postback with "adv_id" is a specialty in Offerslook system to mark the advertiser, when the postback with adv_id, it will be just fit to the certain advertiser. If you do not like it, you can remove this part and just place the global postback on your advertiser's system.

Fifth, send the postback to your advertiser and remind that the {click_id} should be edit: